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High spectral resolution multi-tone Spacecraft Doppler tracking software: algorithms and implementations

Molera Calves, G ORCID: 0000-0001-8819-0651, Pogrebenko, SV, Wagner, JF, Cimo, G, Gurvits, LI, Bocanegra-Bahamon, TM, Duev, DA and Nunes, NV 2021 , 'High spectral resolution multi-tone Spacecraft Doppler tracking software: algorithms and implementations' , Publications of the Astronomical Society of Australia , pp. 1-19 , doi: 10.48550/arXiv.2111.05622.

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Abstract

We present a software package for single-dish data processing of spacecraft signals observed withVLBI-equipped radio telescopes. The Spacecraft Doppler tracking (SDtracker) software allows one toobtain topocentric frequency detections with a sub-Hz precision, and reconstructed and residual phasesof the carrier signal of any spacecraft or landing vehicle at any location in the Solar System. Thesedata products are estimated using the ground-based telescope’s highly stable oscillator as a reference,without requiring an a priori model of the spacecraft dynamics nor the downlink transmission carrierfrequency. The software has been extensively validated in multiple observing campaigns of variousdeep space missions and is compatible with the raw sample data acquired by any standard VLBI radiotelescope worldwide. In this paper, we report the numerical methodology of SDtracker, the technicaloperations for deployment and usage, and a summary of use cases and scientific results produced sinceits initial release.

Item Type: Article
Authors/Creators:Molera Calves, G and Pogrebenko, SV and Wagner, JF and Cimo, G and Gurvits, LI and Bocanegra-Bahamon, TM and Duev, DA and Nunes, NV
Keywords: radio telescopes, SDtracker, solar system, space weather
Journal or Publication Title: Publications of the Astronomical Society of Australia
ISSN: 1323-3580
DOI / ID Number: 10.48550/arXiv.2111.05622
Copyright Information:

Copyright 2021 Publications of the Astronomical Society of Australia

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